Pith Number

pith:RMO7K2PR

pith:2018:RMO7K2PRIBY6KRQJRUJAJZAUGZ

not attested not anchored not stored refs pending

Automating Requirements Traceability: Two Decades of Learning from KDD

Alex Dekhtyar, Jane Huffman Hayes

arxiv:1807.11454 v1 · 2018-07-30 · cs.SE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RMO7K2PRIBY6KRQJRUJAJZAUGZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:09:31.880507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b1df569f14071e546098d1204e414364f6acdfbfbf1616134dfb28fa4125130

Aliases

arxiv: 1807.11454 · arxiv_version: 1807.11454v1 · doi: 10.48550/arxiv.1807.11454 · pith_short_12: RMO7K2PRIBY6 · pith_short_16: RMO7K2PRIBY6KRQJ · pith_short_8: RMO7K2PR

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/RMO7K2PRIBY6KRQJRUJAJZAUGZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8b1df569f14071e546098d1204e414364f6acdfbfbf1616134dfb28fa4125130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d28cf79f7a9e5cdcf0ff60cfac18f932491694876d8fbb95207490a55fec7a87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-07-30T17:22:55Z",
    "title_canon_sha256": "6748a5e41a9ec4db725d1217c54a2a9d8dd0410caedd99bc3ec96c4f36a6ed99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11454",
    "kind": "arxiv",
    "version": 1
  }
}